[D8020ZBD], Letter from Albert Prescott Marble to Thomas Alva Edison, February 2nd, 1880
Item
Abstract
Get perfect vacuum by filling bulb with mercury, then evacuating. If necessary, support filament by tinfoil which will melt. Marg: "that will not make a vac that will amt to anything. Carbon horseshoe is flexible as paper & dont require tinf."
Author
Recipient
Date
1880-02-02
Decade
1880-1889
Type
Identifier
D8020ZBD
Folder Set
D8020
Title
[D8020ZBD], Letter from Albert Prescott Marble to Thomas Alva Edison, February 2nd, 1880
Microfilm ID
53:647
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University